Base | Representation |
---|---|
bin | 1011000001100010001… |
… | …00011100111000111100 |
3 | 1100012200212002121101200 |
4 | 11200301010130320330 |
5 | 22201220233410130 |
6 | 450002001535500 |
7 | 36236350020633 |
oct | 5406104347074 |
9 | 1305625077350 |
10 | 378780372540 |
11 | 1367047111a9 |
12 | 614b0944590 |
13 | 2994638956b |
14 | 14493d1c51a |
15 | 9cbda66760 |
hex | 583111ce3c |
378780372540 has 72 divisors (see below), whose sum is σ = 1163511061440. Its totient is φ = 99729512064.
The previous prime is 378780372517. The next prime is 378780372559. The reversal of 378780372540 is 45273087873.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13304359 + ... + 13332798.
Almost surely, 2378780372540 is an apocalyptic number.
378780372540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
378780372540 is an abundant number, since it is smaller than the sum of its proper divisors (784730688900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378780372540 is a wasteful number, since it uses less digits than its factorization.
378780372540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26637251 (or 26637246 counting only the distinct ones).
The product of its (nonzero) digits is 7902720, while the sum is 54.
The spelling of 378780372540 in words is "three hundred seventy-eight billion, seven hundred eighty million, three hundred seventy-two thousand, five hundred forty".
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